| Milk and food warming |     SCF355 - Yes     SCF356 - Yes     SCF256 - Yes   | 
  | Compatible with all Philips Avent bottles and containers** |     SCF355 - Yes     SCF356 - Yes     SCF256 - Yes   | 
  | Speed of warming |     SCF355 - about 3 min (5oz in a 9oz bottle at room temperature)     SCF356 - about 10 min (3oz at room temperature)     SCF256 - about 2.5 min (6oz at room temperature)   | 
  | Different end temperatures based on your need |     SCF355- Yes     SCF356 - Yes     SCF256 - No   | 
  | Defrost function |     SCF355 - Yes     SCF356 - Yes     SCF256 - No   | 
  | Always safe milk temperatures |     SCF355 - No     SCF356 - Yes     SCF256 - No   | 
  | Keep warm function |     SCF355 - No     SCF356 - Yes     SCF256 - No   | 
  | Automatic shut-off |     SCF355 - No     SCF356 - Yes     SCF256 - No   | 
  | Progress indicator visual alert when food is ready |     SCF355 - No     SCF356 - Yes     SCF256- No   |